Flintlock Pistol was handled by Simon Grey (Ryan Blakely) after seeing through Jojo and Burt's cover in Episode 3, "View to a Nursing Home". Flintlock Pistol also used by other Ottawa Eight conspirators, which did not work.
Beretta 92FS
Beretta 92FS was handled by a Dutch Intelligence and Security Agency (DISA) spy while speaking to Burt on the phone in "Going Dutch". In "Get Cranston", Penny (Kathleen Phillips) is armed with this. In Episode 1, "The Doctor", gunmen hired by Eurostar were armed with this pistol as well.
Beretta 92FS Centurion
Beretta 92FS Centurion can be seen using in several episodes. Simon (Ryan Blakely) uses one as his personal sidearm. Russian mafia gangsters raid the NISA safe house after a blunder by Burt with the Beretta 92FS Centurion as well.
A Glock 17 was taken by Alex's friend Cathy at the backseat of the Chevrolet Suburban. Glock 17s also were used by Alex (Natalie Lisinska), Burt (Matthew MacFadzean) and Jojo (Grace Lynn Kung) while trying to take on the Ottawa Eight conspirators. In "Return of the Deadeye", Benjamin (Richard Yearwood) is armed with this. Burt disarms Alex of her sidearm in "Going Dutch".
Glock 19
A Glock 19 was handled by a Canadian Norwegian spy in Episode 5, "Recycle After Reading". In "Keeping Up With The Laslovs", it's used by Natasha (Apollonia Vanova), head of a Russian mafia cell in Ottawa. In "Return of the Deadeye", Claude (Rémy Girard) is armed with this to go after the assassin Antonio Stade (Daniel Kash) who slept with his wife back in Morocco. Alex (Natalie Lisinska) switches her sidearm to the Glock 19 after Burt (Matthew MacFadzean) takes her Glock 17 in "Going Dutch".
A Silver Kings gangster aims the MP5 at Benjamin and Alex in "The Kwan Identity". It's not known on what type of MP5 it is, but it has a stock buttstock. Jojo (Grace Lynn Kung) is armed with this for a short time in "The Ghost".
Heckler & Koch MP5K
An Ottawa-based DISA spy was caught by Benjamin during an arrest operation in "Going Dutch". A few DISA agents have orange-colored Heckler & Koch MP5Ks.
Heckler & Koch MP5SD
A MP5SD submachine gun is found at a Ghanzi rebel house in Episode 4, "The Ligerian Candidate". It's unknown what the specific type is as there is no closeup.
M1928 Thompson
Either a M1928 Thompson is found in the Ganzi safehouse in Episode 4. However, the shot does not make it clear on what type of weapon it is.
Assault Rifles
AK-47
An AK-47 is found in at the Ganzi safehouse in Episode 4. It is unclear on what kind of AK-47 variant it is. However, the shots indicate that they have solid buttstocks. Mexican Freedom Front terrorists are armed with the assault rifle in Episode 9, "El Negotiator".
Classic Army M15A4
A Classic Army M15A4 airsoft rifle was used by Penny Cryer (Kathleen Phillips) as a short-ranger sniper rifle to target Alex in "Get Cranston".
M16
A M16 is found in the Ganzi safehouse in Episode 4. It is not clear on what the variant is. An Irish militant of the People's Popular Front of the Republic of Eire is armed with this in "The Kwan Identity". A possible NISA SWAT marksman is armed with a M16 with a mounted riflescope in "El Negotiator".
Sniper Rifles
Air Rifle
In a flashback in "Return of the Deadeye", an athlete mocks Alex for her incompetence to use an air rifle at a shooting range in a winter athletic event.
M21
Alex (Natalie Lisinska) uses the M21 in "Return of the Deadeye" to take out the elevator controls for Stade to die by falling down the elevator shaft.
Unknown Sniper Rifle
Used by Benjamin (Richard Yearwood) in "The Ghost". He did not fire the weapon in the episode.
Others
Federal Gas Riot Gun
Claude (Rémy Girard) is armed with the Federal Gas Riot Gun in "The Ghost" as part of a NISA operation to capture Joshua "The Ghost" Crane. It was loaded with tear gas grenades.
M26 Taser
A NISA security guard is armed with the M26 Taser in "The Ghost." Joshua (David Huband) uses it against Claude after disarming the guard before Claude disarms Joshua of the weapon.
Net Gun
A fictional net gun is used by NISA, which is created from a Mossberg/Remington shotgun body with the barrel removed to accommodate a funnel with a net loaded.